CN107144328B - Automatic micro-throttling powder weighing device and weighing method - Google Patents
Automatic micro-throttling powder weighing device and weighing method Download PDFInfo
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- CN107144328B CN107144328B CN201710534321.3A CN201710534321A CN107144328B CN 107144328 B CN107144328 B CN 107144328B CN 201710534321 A CN201710534321 A CN 201710534321A CN 107144328 B CN107144328 B CN 107144328B
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- 238000005303 weighing Methods 0.000 title claims abstract description 115
- 239000000843 powder Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 108
- 230000007246 mechanism Effects 0.000 claims abstract description 91
- 238000003756 stirring Methods 0.000 claims abstract description 68
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000007306 turnover Effects 0.000 claims description 24
- 230000009471 action Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 description 16
- 230000008569 process Effects 0.000 description 11
- 239000013589 supplement Substances 0.000 description 11
- 239000006052 feed supplement Substances 0.000 description 10
- 238000004064 recycling Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
- G01G17/06—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes having means for controlling the supply or discharge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention relates to the technical field of automatic metering, in particular to an automatic micro-throttling powder weighing device and a weighing method, the device comprises a device body, a Rong Liaoji mechanism and a weighing mechanism which are arranged on the device body, the upper part of the Rong Liaoji mechanism is provided with a lifting mechanism and a stirring mechanism for adjusting the height by the lifting mechanism, the lower part of the Rong Liaoji mechanism is provided with a hopper transfer mechanism, the material containing mechanism comprises a material containing bin and a material gathering ring, a feeding hopper arranged on the upper part of the material containing bin and a throttling device arranged at the bottom of the material containing bin, the throttling device is provided with a throttling hole, the hopper transfer mechanism comprises a transfer hopper, the weighing mechanism comprises a weighing bracket and an electronic balance, the weighing bracket is connected with the transfer hopper and the electronic balance, and the balance realizes material powder weighing by weighing the weight change of the transfer hopper. This scheme has and weighs degree of automation height, weigh high-efficient, accurate technical characterstic in the face of the trace of powdery solid.
Description
Technical Field
The invention belongs to the technical field of automatic metering, and particularly relates to a powder weighing device capable of realizing automatic micro throttling control and a weighing method for weighing by using the same.
Background
At present, the weighing of fine powdery solids in China is mainly quantitative weighing through a balance feeding weighing mode and a volumetric method. The balance has high feeding and weighing precision, but the time required for the balance to be stable in the weighing process is long, the weighing speed is slow, and even the electronic balance with quick response has certain fluctuation, so that the accuracy of the final weighing result is influenced. Once the excessive condition appears in the feed supplement weighing process, the feed supplement weighing process can only be reweighed, thus greatly reducing the weighing efficiency. The quantitative weighing of volume method mainly used liquid quantitative weighing, the powdered solid of volume method is weighed and is received powder itself and external state influence factor more, is difficult to accomplish the high accurate of powdered solid and weighs the operation, and volume method is weighed and is weighed the operation for the quantitative in addition, can't be applicable to the operation of weighing of change, and the debugging degree of difficulty is big, and control method is single.
Therefore, the weighing method of the solid fine powder in the prior art influences the weighing precision and efficiency, and meanwhile, the variable operation weighing has certain limitation. Based on the thought that prior art's is not enough, and the analysis, to the fine powder of prior art at present weigh the improvement of mode and device, to improving and weigh precision and weigh efficiency, realize that the automatic fast, accurate, the accurate operation of weighing of solid powder has the propulsion meaning.
Disclosure of Invention
The invention aims to solve the defects of the prior art to a certain extent, provides a micro throttling powder weighing device and a weighing method capable of realizing automatic adjustment and control, and has the technical characteristics of high efficiency and accuracy in the aspect of micro weighing of powdery solids.
The invention provides an automatic micro-throttling powder weighing device which comprises a device body, a Rong Liaoji mechanism and a weighing mechanism, wherein the Rong Liaoji mechanism and the weighing mechanism are arranged on the device body, a lifting mechanism and a stirring mechanism for adjusting the height of the lifting mechanism are arranged on the upper portion of the Rong Liaoji mechanism, a hopper transfer mechanism is arranged on the lower portion of the Rong Liaoji mechanism, the material containing mechanism comprises a material containing bin and a material gathering ring, a feeding hopper arranged on the upper portion of the material containing bin and a throttling device arranged at the bottom of the material containing bin, the throttling device is provided with a throttling hole, the hopper transfer mechanism comprises a transfer hopper, the weighing mechanism comprises a weighing bracket and an electronic balance, the weighing bracket is connected with the transfer hopper and the electronic balance, and the electronic balance realizes powder weighing by weighing the weight change of the transfer hopper.
According to a further scheme, the device further comprises a fine adjustment mechanism arranged at the bottom of the throttling device, and the fine adjustment mechanism comprises a material drawing column which is matched with the throttling hole.
In a further scheme, the throttling hole comprises a main throttling hole, a primary fine-tuning material supplementing hole and a secondary fine-tuning material supplementing hole, and the aperture of the main throttling hole, the aperture of the primary fine-tuning material supplementing hole and the aperture of the secondary fine-tuning material supplementing hole are sequentially reduced.
According to a further scheme, the material digging column is provided with an inwards-concave material digging groove, and the material digging groove is provided with an inclined plane inclined downwards so as to facilitate the material body to slide down.
According to a further scheme, the stirring mechanism comprises a stirrer and a stirring motor for controlling the stirrer to act, and the stirrer comprises a stirring connecting shaft connected with the stirring motor, a stirring sheet arranged on the side of the connecting shaft and a throttling cone arranged below the connecting shaft.
Further scheme, the throttle awl is and is the back taper, the stirring piece includes the slope piece to the slope of throttle awl direction, slope piece inclination with hold feed bin internal surface inclination unanimous.
According to a further scheme, the lifting mechanism comprises a lifting motor and a linear module connected with the lifting motor, and the linear module is connected with the stirring motor through an L-shaped lifting plate.
According to the further scheme, the transfer hopper comprises a drawing hopper and a material receiving hopper located right below the material gathering ring, the bottom of the material receiving hopper is connected with a turnover shaft, the bottom of the turnover shaft is connected with a weighing support, the turnover shaft comprises a turnover guide arc, the center of the turnover guide arc comprises a material stirring rod, the turnover shaft stirs the turnover guide arc through the material stirring rod to drive turnover, and the material stirring rod moves along the turnover guide arc.
According to a further scheme, the hopper transfer mechanism further comprises a transfer guide rail and a pushing cylinder, the transfer guide rail is connected with a transfer tray and the pushing cylinder, a transfer material cup is placed on the transfer tray, and the transfer tray is positioned and transferred through the pushing cylinder.
The invention also provides an automatic micro-throttling powder weighing method for weighing material powder by using the device, which comprises the following steps: the material powder to be weighed is added into Rong Liaocang through the feeding hopper, the lifting mechanism is adjusted according to the weighing target value, the lifting mechanism drives the stirring mechanism to descend, the stirring mechanism starts stirring action, the stirring piece enables the material to gather together towards the center of the stirring shaft along with stirring, the material located in the material containing mechanism falls into the transfer hopper through the material gathering ring, and the electronic balance is used for weighing the material through the weight change of the weighing transfer hopper.
The beneficial effects of this scheme embody:
1. the automatic micro-throttling powder weighing device and the weighing method can realize the efficient and accurate automatic weighing tool for the micro-weighing of the powdery solid. The device sets up elevating system servo motor high accuracy control lift process, and the throttling process is weighed in the regulation that becomes more meticulous, and elevator motor passes through the linear module of lift and connects "L" shape lifter plate up-and-down motion. Accurate control can be realized, and then weighing precision and accuracy are promoted.
2. The electronic balance in the scheme is a high-precision quick weighing balance, the weighing precision reaches +/-1 mg, the weighing speed is 1.5 seconds, and the data extraction speed can reach 15 times/second. The electronic balance can perform quick weighing feedback so that the device can respond quickly for throttling adjustment.
3. The device that this scheme provided still includes fine-tuning, fine-tuning include with the material post of drawing that the orifice cooperation set up. When weighing and being close to the tail sound, for quick effectual last milligram level feed supplement of doing, three fine setting feed supplement structures have been equipped with, and three fine setting feed supplement structures are drawn the material post through the orifice cooperation and are carried out the minor feed supplement, and three are drawn the material post and configure into 1 according to drawing the material hole 25's proportion, can effectual quick feed supplement through fine setting mechanism group, weigh in the face of the tail sound can be effective fast, weigh in the face of the wide-range and can cooperate the effectual shortening of orifice to weigh the time. The fine adjustment mechanism feeds materials through the cylinder power at extreme distance, and the feeding range is controllable at every turn, and the fine adjustment feeding is stable and reliable through the material drawing groove of the inclined plane structure of the feeding column and the inertia vibration of the cylinder at short distance.
4. The throttling cone stirring shaft is provided with a rotary inclined surface stirring sheet and a throttling tail cone, the rotary inclined surface stirring sheet can effectively stir powder and gather the powder center, and the gathered powder surrounds around the stirring shaft center and flows out along with the rotation and the lifting motion of the throttling tail cone. The throttling tail cone is an inverted cone structure, the height of the conical surface is smooth, powder flows out along the conical surface in a centrifugal mode along with rotation, the outflow speed of the powder can be adjusted through lifting of the conical surface, the stirring speed of the powder can be adjusted through the rotation speed, and the powder coagulation blockage can be prevented in real time.
5. This scheme still includes hopper transfer mechanism, after hopper transfer mechanism dials the stick through the stirring and overturns certain angle along the stirring radian track upset of transferring the hopper, the stirring hopper relies on the upset of self gravity free fall formula to pour the powder into the material cup, because inertia can effectually shake the incomplete aftershock of powder and fall when pouring into the material cup to this reaches the clean effect of overturning. The pushing cylinder stirs the pushing guide rail to enable the material cups on the guide rail to be orderly transferred, and automatic weighing and conveying are achieved. The transfer hopper is a gravity center eccentric hopper, and the hopper can freely fall and turn over only by deflecting a small angle. The front end of the hopper is provided with the guide gathering conical hopper, so that powder can be effectively prevented from being scattered, powder gathering and convergence can be realized, and the transfer process is stable and reliable.
Drawings
FIG. 1 is a schematic view of an automatic micro-throttling powder weighing device according to the present invention;
FIG. 2 is a schematic view of the restrictor of the present invention;
FIG. 3 is a schematic view of the material pillar structure of the present invention;
FIG. 4 is a schematic view of the structure of the stirrer in the stirring mechanism of the present invention;
FIG. 5 is a schematic structural view of a transfer hopper of the hopper transfer mechanism of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the present invention provides an automatic micro-throttling powder weighing apparatus, which includes an apparatus body 01, a material holding mechanism 3 and a weighing mechanism 5, which are arranged on the apparatus body 01, wherein the upper portion of the material holding mechanism 3 is provided with a lifting mechanism 1 and a stirring mechanism 2 for adjusting the height by the lifting mechanism 1, the lower portion is provided with a hopper transfer mechanism, the material holding mechanism 3 includes a material holding bin 31 and a material gathering ring 32, a material feeding hopper 30 arranged on the upper portion of the material holding bin 31 and a throttling device 33 arranged on the bottom of the material holding bin 31, the throttling device 33 is provided with a throttling hole, the throttling hole includes a main throttling hole 331, a first-level fine-tuning material feeding hole 332 and a second-level fine-tuning material feeding hole 333, and the aperture of the main throttling hole, the aperture of the first-level fine-tuning material feeding hole and the aperture of the second-level fine-tuning material feeding hole become smaller in sequence. That is, the aperture of the main orifice is larger than that of the first-stage fine tuning feed supplement hole and larger than that of the second-stage fine tuning feed supplement hole. This scheme device is still including setting up in the fine-tuning 4 of flow controller 33 bottom, fine-tuning 4 include with the orifice cooperation sets up draws material post 41. That is to say, the material drawing column 41 comprises three columns with different sizes, the material drawing column 41 is provided with an inward concave material drawing groove 411, and the material drawing groove 411 is provided with an inclined surface 4111 inclined downwards so as to facilitate the material drawing column 41 to rapidly slide down when taking the material powder out of the material storage bin 31. Three columns were micro-fed through orifices, and three scooping columns were configured to 1:5:25, 0-5 mg of first-level fine adjustment primary supplement corresponding to the first-level fine adjustment supplement hole 332, generally 2-3 mg of supplement, 0-25 mg of small-level fine adjustment primary supplement, generally 10-15 mg of supplement, 0-125 mg of large-level fine adjustment primary supplement corresponding to the main orifice 331, generally 80-100 mg of supplement. Can effectual quick trace feed supplement through fine-tuning 4, weigh in the face of the tail sound and can be quick effective, weigh in the face of the wide-range and can cooperate the effectual shortening of orifice to weigh the time. The fine adjustment mechanism 4 feeds materials through the cylinder power at extreme distance, the feeding range is controllable each time, and the fine adjustment feeding is stable and reliable through the inclined plane structure of the material drawing column 41 and the inertia vibration of the cylinder at short distance. The device also comprises a hopper transfer mechanism, wherein the hopper transfer mechanism comprises a transfer hopper 63, the weighing mechanism 5 comprises a weighing support 51 and an electronic balance, the weighing support 51 is connected with the transfer hopper 63 and the electronic balance, and the electronic balance realizes powder weighing through the weight change of the weighing transfer hopper 63.
As shown in fig. 1 and 4, the apparatus of the present invention further includes a stirring mechanism 2, wherein the stirring mechanism 2 includes a stirrer 22 and a stirring motor 21 for controlling the operation of the stirrer 22, and the stirrer 22 includes a stirring connecting shaft 221 connected to the stirring motor 21, a stirring blade 222 disposed on a side of the connecting shaft 221, and a throttle cone 223 disposed below the connecting shaft. The throttling cone 223 is an inverted cone, the stirring sheet 222 includes an inclined sheet 2221 inclined towards the throttling cone 223 direction, and the included angle between the inclined sheet 2221 and the stirring sheet 222 is consistent with the inclined angle of the inner surface of the material containing bin. The stirring piece 222 and the inclined piece 2221 rotate to form a revolving surface, the revolving inclined surface can effectively stir the powder and gather the center of the powder, and the gathered powder surrounds the vicinity of the axis and flows out along with the rotation and lifting movement of the throttling tail cone. The throttling cone 223 is an inverted cone structure, the conical surface is high and smooth, powder flows out along the conical surface in a centrifugal mode along the rotation, the conical surface adjusts the outflow speed of the adjustable powder through lifting, and the powder stirring speed is adjusted through the rotation speed to prevent the powder from being coagulated and blocked in real time.
As shown in fig. 1, the lifting mechanism 1 includes a lifting motor 11 and a linear module 12 connected to the lifting motor 11, and the linear module 12 is connected to the stirring motor 21 through an L-shaped lifting plate 13. Lifting motor 11 is the special explosion-proof servo motor of inflammable and explosive powder, and servo motor high accuracy control lift process becomes more meticulous and adjusts and weigh the throttle process, and lifting motor 11 connects "L" type "lifter plate 13 up-and-down motion through the linear module 12 that goes up and down. The linear module 12 provides a high-precision coaxial limiting and positioning function and accurately positions the lifting position. The L-shaped lifting plate 13 is a rigid connecting device and is connected with the stirring mechanism 2 to adjust the throttling and stirring position.
Specifically, as shown in fig. 5, the transfer hopper 63 includes a collecting hopper 631 and a receiving hopper 632 located right below the material gathering ring 32. The bottom of the material receiving hopper 632 is connected with a turnover shaft 633, the turnover shaft 633 comprises a turnover guide arc 635, the center of the turnover guide arc 635 comprises a material stirring rod 634, and the material stirring rod 634 is not in contact with the turnover guide arc 635. After the material stirring rod 634 in the hopper transfer mechanism overturns for a certain angle along the overturning guide arc 635 of the transfer hopper 63, the gathering hopper 631 freely falls to overturn by self gravity to pour powder into the transfer cup 65 waiting for material receiving below the gathering hopper, and powder residue can be effectively shaken off due to the collision between inertia and the cup when pouring, so that the effect of completely overturning is achieved. The hopper transfer mechanism further comprises a transfer guide rail 61 and a pushing cylinder 62, the pushing cylinder 62 pushes the pushing tray 64 to enable the tray 64 on the guide rail to be transferred in order, and the transfer material cups 65 on the tray 64 sequentially enter the material receiving waiting positions below the gathering hoppers to achieve automatic weighing and conveying. The front end of the receiving hopper 632 is provided with a guiding collecting hopper 631, so that powder can be effectively prevented from scattering, powder can be gathered and converged, and the transferring process is stable and reliable.
As shown in fig. 1, the apparatus of the present invention further comprises a waste recycling mechanism, wherein the waste recycling mechanism comprises a waste recycling bracket 71 and a waste cup 72 connected to the waste recycling bracket 71, the waste recycling bracket 71 is an L-shaped waste receiving structure, and the waste cup 72 is placed at a receiving end of the bracket. The waste cup 72 is arranged at a position higher than the position of the transfer cup 65, so that the waste cup can be cut off to receive materials when the waste cup is received, the transfer hopper 63 can be turned over incompletely, the turning angle of the transfer hopper 63 is smaller than 45 degrees, the waste recovery is only used for turning over a part of powder when the weighing is excessive, and the reweighing time can be greatly reduced.
The invention also discloses a weighing method for weighing the material powder by using the device, which specifically comprises the following control flow:
the lowering position and the lowering speed of the lifting mechanism 1 are calculated and adjusted based on the weighing target value, and the throttle flow rate increases as the lowering speed increases as the lowering position increases. The device pre-judges the flow rate of the flow according to the weighing target value. And in the face of a larger weighing target value, the fine adjustment device can be started to quickly supplement materials while the lifting mechanism adjusts the flow. The stirring mechanism 2 is started to stir and gather materials, the powder is uniformly stirred, and the center is gathered. The orifice lifts and lowers the powder centrifugally flowing out with the rotation of the choke cone 223. The electronic balance reads 15 times per second, and the lifting position of the lifting motor is adjusted in a feedback mode according to the reading of the electronic balance, so that the flow of the weighed powder is adjusted.
The lifting motor 11 repeatedly lifts and adjusts the relative contact position of the powder weighing throttle hole and the throttle cone 223 according to the weighing result so as to achieve the purpose of weighing and adjusting. The closer the weighing value is to the weighing target value, the lower the orifice flow rate is, thereby effectively controlling the weighing result not to be excessive. The whole weighing process is that the weighing value is increased in speed at first and then is decreased in speed as the weighing value is closer to the target value. The lifting structure 1 performs balance adjustment according to the relative relationship between the stated magnitude and the target value: and when the weighing speed is too slow, the self-feedback adjusting lifting mechanism descends, and when the weighing speed is too fast, the self-feedback adjusting lifting mechanism ascends. And when the weighing is close to the target value and the weighing tail is reached, starting the fine adjustment mechanism 4, calling the fine adjustment mechanism 4 according to the target difference combination to perform fine adjustment material supplement, and continuously recalculating the combined fine adjustment material supplement according to the weighing feedback result after the fine adjustment material supplement is completed. The trim feed was repeated until the weighing reached the target value.
In the face of abnormal excessive weighing, the waste recovery action is triggered, and when the waste is recovered, the transfer hopper only overturns a small part of the waste, and then the waste is weighed. The unusual excess is only a few milligrams, so the pouring angle is < 45 degrees, and only a portion of the powder needs to be poured out to be weighed next, thereby improving the effective beat of weighing.
And triggering the powder transfer action by a qualified weighing structure when the weighing reaches the target value, and triggering the next round of weighing after the transfer hopper dumps all the powder during the powder transfer. The transfer mechanism transfers powder synchronously in the next round of weighing process and pushes the material cup, so that the continuous weighing beat is effectively improved.
The automatic micro-throttling powder weighing device and the weighing method can provide a high-efficiency and accurate automatic weighing tool for weighing the micro amount of the powdery solid.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (2)
1. The utility model provides an automatic trace throttle powder weighing device which characterized in that: the device comprises a device body, a Rong Liaoji mechanism and a weighing mechanism, wherein the Rong Liaoji mechanism and the weighing mechanism are arranged on the device body, the upper portion of the Rong Liaoji mechanism is provided with a lifting mechanism and a stirring mechanism for adjusting the height of the lifting mechanism, the lower portion of the Rong Liaoji mechanism is provided with a hopper transfer mechanism, the material containing mechanism comprises a material containing bin and a material gathering ring, a feeding hopper arranged on the upper portion of the material containing bin and a throttle arranged at the bottom of the material containing bin, the throttle is provided with a throttle hole, the hopper transfer mechanism comprises a transfer hopper, the weighing mechanism comprises a weighing bracket and an electronic balance, the weighing bracket is connected with the transfer hopper and the electronic balance, and the electronic balance realizes the weighing of material powder by weighing the weight change of the transfer hopper;
the device also comprises a fine adjustment mechanism arranged at the bottom of the throttleer, wherein the fine adjustment mechanism comprises a material drawing column which is matched with the throttling hole;
the orifice comprises a main orifice, a primary fine-tuning material-supplementing hole and a secondary fine-tuning material-supplementing hole, and the aperture of the main orifice, the aperture of the primary fine-tuning material-supplementing hole and the aperture of the secondary fine-tuning material-supplementing hole are sequentially reduced;
the material picking column is provided with an inwards-concave material picking groove, and the material picking groove is provided with an inclined surface inclined downwards so as to facilitate the material body to slide down;
the stirring mechanism comprises a stirrer and a stirring motor for controlling the stirrer to act, wherein the stirrer comprises a stirring connecting shaft connected with the stirring motor, a stirring sheet arranged on the side of the connecting shaft and a throttling cone arranged below the connecting shaft;
the throttling cone is in an inverted cone shape, the stirring sheet comprises an inclined sheet which inclines towards the direction of the throttling cone, and the inclination angle of the inclined sheet is consistent with that of the inner surface of the material containing bin;
the lifting mechanism comprises a lifting motor and a linear module connected with the lifting motor, and the linear module is connected with the stirring motor through an L-shaped lifting plate;
the transfer hopper comprises a gathering hopper and a material receiving hopper positioned right below the material gathering ring, the bottom of the material receiving hopper is connected with a turnover shaft, the bottom of the turnover shaft is connected with a weighing support, the turnover shaft comprises a turnover guide arc, the center of the turnover guide arc comprises a material stirring rod, the turnover shaft drives the turnover by stirring the turnover guide arc through the material stirring rod, and the material stirring rod moves along the turnover guide arc;
the hopper transfer mechanism further comprises a transfer guide rail and a pushing cylinder, the transfer guide rail is connected with a transfer tray and the pushing cylinder, a transfer material cup is placed on the transfer tray, and the transfer tray is positioned and transferred through the pushing cylinder.
2. An automatic micro-throttling powder weighing method is characterized in that: use of the automatic micro-throttling powder weighing apparatus of claim 1, the method comprising: the material powder to be weighed is added into Rong Liaocang through the feeding hopper, the lifting mechanism is adjusted according to the weighing target value, the lifting mechanism drives the stirring mechanism to descend, the stirring mechanism starts stirring action, the stirring piece enables the material to gather together towards the center of the stirring shaft along with stirring, the material located in the material containing mechanism falls into the transfer hopper through the material gathering ring, and the electronic balance is used for weighing the material through the weight change of the weighing transfer hopper.
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| CN201710534321.3A CN107144328B (en) | 2017-07-03 | 2017-07-03 | Automatic micro-throttling powder weighing device and weighing method |
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| CN201710534321.3A CN107144328B (en) | 2017-07-03 | 2017-07-03 | Automatic micro-throttling powder weighing device and weighing method |
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| CN107144328B true CN107144328B (en) | 2023-04-07 |
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| CN107655734B (en) * | 2017-09-20 | 2019-08-06 | 上海大学 | A kind of powder sample adding device and method |
| CN109738046B (en) * | 2018-11-28 | 2024-02-20 | 北京沄汇智能科技有限公司 | Automatic weighing device of powder |
| CN110260962A (en) * | 2019-05-30 | 2019-09-20 | 平顶山天安煤业股份有限公司 | Powder micro-weighing device |
| CN113865679B (en) * | 2021-09-22 | 2023-12-05 | 上海汇像信息技术有限公司 | Weighing measurement method of powder weighing system |
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Denomination of invention: An automatic micro throttling powder weighing device and weighing method Effective date of registration: 20231025 Granted publication date: 20230407 Pledgee: China Minsheng Banking Corp Xi'an branch Pledgor: XI'AN HANGCHEN ELECTROMECHANICAL TECHNOLOGY CO.,LTD. Registration number: Y2023610000708 |
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